Blue Area = 9 Square Units

表达式27: "G" Subscript, 1 , Baseline equals "F" Subscript, 1 , Baseline

equals

表达式28: "G" Subscript, 2 , Baseline equals StartAbsoluteValue, 2 , EndAbsoluteValue

equals

表达式29: "H" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline

equals

表达式30: "H" Subscript, 2 , Baseline equals "G" Subscript, 2 , Baseline

equals

表达式31: "J" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline

equals

表达式32: "J" Subscript, 2 , Baseline equals "E" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline

equals

表达式33: "K" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline

equals

表达式34: "K" Subscript, 2 , Baseline equals "J" Subscript, 2 , Baseline

equals

表达式35: StartFraction, "D" Subscript, 1 , Baseline minus "L" Subscript, 1 , Baseline Over "K" Subscript, 2 , Baseline , EndFraction equals StartFraction, "s" Over "K" Subscript, 2 , Baseline minus "C" Subscript, 2 , Baseline , EndFraction

表达式36: "L" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline minus StartFraction, "s" "K" Subscript, 2 , Baseline Over "K" Subscript, 2 , Baseline minus "C" Subscript, 2 , Baseline , EndFraction

equals

negative 0.5

表达式37: "L" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

表达式38: "M" Subscript, 1 , Baseline equals StartFraction, "L" Subscript, 1 , Baseline plus "N" Subscript, 1 , Baseline Over 2 , EndFraction

equals

4.7 5

表达式39: "M" Subscript, 2 , Baseline equals StartFraction, "L" Subscript, 2 , Baseline plus "N" Subscript, 2 , Baseline Over 2 , EndFraction

equals

表达式40: StartFraction, "N" Subscript, 1 , Baseline minus "E" Subscript, 1 , Baseline Over 3 , EndFraction equals StartFraction, "G" Subscript, 1 , Baseline minus "H" Subscript, 1 , Baseline Over "J" Subscript, 2 , Baseline minus "H" Subscript, 2 , Baseline , EndFraction

表达式41: "N" Subscript, 1 , Baseline equals StartFraction, 3 "G" Subscript, 1 , Baseline minus 3 "H" Subscript, 1 , Baseline Over "J" Subscript, 2 , Baseline minus "H" Subscript, 2 , Baseline , EndFraction plus "E" Subscript, 1 , Baseline

equals

表达式42: "N" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline

equals

表达式43: "P" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus "R" cosine 2 "N" Subscript, "L" "P" , Baseline

equals

1.6

表达式44: "P" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline plus "R" sine 2 "N" Subscript, "L" "P" , Baseline

equals

4.2

Graphs

表达式46: "y" less than 25

表达式47: polygon left parenthesis, "L" , "N" , "P" , right parenthesis

表达式48: polygon left parenthesis, "D" , "E" , "J" , "K" , right parenthesis

表达式49: polygon left parenthesis, "D" , "E" , "J" , "K" , right parenthesis

表达式50: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis

表达式51: polygon left parenthesis, "E" , "F" , "G" , "H" , right parenthesis

表达式52: left parenthesis, "M" Subscript, 1 , Baseline plus "R" cos "t" , "M" Subscript, 2 , Baseline plus "R" sin "t" , right parenthesis

定义域t最小值：

less than or equal to "t" less than or equal to

定义域t最大值： 180

表达式53: polygon left parenthesis, "A" , "B" , "C" , "D" , "C" , "K" , "J" , "N" , "J" , "E" , "H" , "G" , "F" , right parenthesis

Points

技术支持